package com.example.tencentdemo.Mapper;


import com.example.tencentdemo.entity.ChatGroup;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface ChatGroupMapper {
    int insertChatGroup(ChatGroup ChatGroup);
    //根据活动id来查询群聊信息
    ChatGroup selectChatGroupById(String activity_id);
    void  deleteChatGroupById(String group_id);
}
